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What is the Least Common Multiple of 25407 and 25417?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 25407 and 25417 is 645769719.

LCM(25407,25417) = 645769719

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Least Common Multiple of 25407 and 25417 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25407 and 25417, than apply into the LCM equation.

GCF(25407,25417) = 1
LCM(25407,25417) = ( 25407 × 25417) / 1
LCM(25407,25417) = 645769719 / 1
LCM(25407,25417) = 645769719

Least Common Multiple (LCM) of 25407 and 25417 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25407 and 25417. First we will calculate the prime factors of 25407 and 25417.

Prime Factorization of 25407

Prime factors of 25407 are 3, 941. Prime factorization of 25407 in exponential form is:

25407 = 33 × 9411

Prime Factorization of 25417

Prime factors of 25417 are 7, 3631. Prime factorization of 25417 in exponential form is:

25417 = 71 × 36311

Now multiplying the highest exponent prime factors to calculate the LCM of 25407 and 25417.

LCM(25407,25417) = 33 × 9411 × 71 × 36311
LCM(25407,25417) = 645769719